111628302912 has 84 divisors (see below), whose sum is σ = 365671299136. Its totient is φ = 31893799680.

The previous prime is 111628302901. The next prime is 111628302913. The reversal of 111628302912 is 219203826111.

111628302912 is a `hidden beast` number, since 1 + 1 + 1 + 628 + 3 + 0 + 29 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a super-2 number, since 2×111628302912² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (111628302913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13838764 + ... + 13846827.

Almost surely, 2^111628302912 is an apocalyptic number.

111628302912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111628302912 is an abundant number, since it is smaller than the sum of its proper divisors (254042996224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111628302912 is a wasteful number, since it uses less digits than its factorization.

111628302912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27685616 (or 27685603 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 111628302912 in words is "one hundred eleven billion, six hundred twenty-eight million, three hundred two thousand, nine hundred twelve".